On 4/18/19 2:41 PM, Dan Veeneman wrote: > On 4/18/2019 2:27 PM, Paul Koning via cctalk wrote: >> my memory is that DSM-11 is an operating system all its own, not just a >> language processor running on top of a standard OS like RSTS. > > In the late 1980s and early 1990s, we used DSM running on VMS 4.7 for a > nationwide (United States) mortgage credit reporting system. >
DSM-11 on the PDP-11 was an OS all its own. I just looked in my Software Handbook and on the VAX it was a VMS Language Processor. That's pretty much what it has become today although it did start out as a complete system running on bare iron. bill
